Here is the full list of all 13 Symphonic Rain achievements.
Saw Torta's good ending.
Saw Lise's good ending.
Saw Lise's bad ending.
Saw three endings to unlock the "al fine" route.
Saw Torta's other good ending.
Saw Torta's true ending.
Saw Arie's ending.
Played "Even if Tears Run Down Your Cheeks" (Phorni ver.) in free play mode
Saw every ending.
Saw Fal's good ending.
Saw Fal's bad ending.
Saw the normal bad ending.
Saw the opening movie during gameplay.